דיסקברי: ככה עושים את זה — עונה 12

פרק 1

פרק 1 — Pneumatic Impact Wrenches, Cultured Marble Sinks, Plantain Chips, NASCAR Stock Cars

07/01/2009

פרק 2

פרק 2 — Jaws of Life, Artificial Christmas Trees, Soda Crackers, Ratchets

14/01/2009

פרק 3

פרק 3 — Thermometers, Produce Scales, Aircraft Painting, Luxury Chocolates

21/01/2009

פרק 4

פרק 4 — Carburetors, Air Conditioners, Sugar

28/01/2009

פרק 5

פרק 5 — Combination Wrenches, Deli Meats, Golf Carts, Airships

04/02/2009

פרק 6

פרק 6 — Carbon Fibre Car Parts, Hand Dryers, Recycled Polyester Yarn, Fleece

11/02/2009

פרק 7

פרק 7 — Police Badges, Muffins, Car Washes, Pressure Gauges

18/02/2009

פרק 8

פרק 8 — Metal Detectors, Rum, Tiffany Reproductions, Aircraft Engines

25/02/2009

פרק 9

פרק 9 — Riding Mowers, Popcorn, Adjustable Beds, Cultured Diamonds

04/03/2009

פרק 10

פרק 10 — Airstream Trailers, Horseradish, Industrial Steam Boilers, Deodorant

11/03/2009

פרק 11

פרק 11 — Screwdrivers, Compact Track Loaders, Physician Scales, Carbon Fibre Bats

18/03/2009

פרק 12

פרק 12 — Escalators, Kevlar Canoes, Goat Cheese, Disc Music Boxes

25/03/2009

פרק 13

פרק 13 — Motorcycle Engines, Glass Enamel Sculptures, Hand-Made Paper, Vaulting Poles

01/04/2009